Aries (AF-20-3400-BB) 20"x4.5" Big Blue Greensand Filter 11 inch RO Pure Filters Replace every 12 to 18

Replace every 12 to 18 months or when chlorine breakthrough is detected

Specialty media included

F-505E Technical Details

This lid cover is designed specifically for Autotrol I-Series control valves commonly found in residential and commercial water softening and filtration systems

Actively prevents hard water scale from forming on internal plumbing surfaces

Aries (AF-20-3400-BB) 20"x4.5" Big Blue Greensand Filter 11 inch RO Pure Filters Replace every 12 to 18The Aries FilterWorks AF 20 3400 BB is a 20"x4. 5" Big Blue greensand specialty cartridge engineered to reduce iron, manganese, and hydrogen sulfide in whole house applications. This filter uses catalytic greensand media to oxidize and trap contaminants that cause metallic taste, staining, and unpleasant odors. SPECIFICATIONS Aries AF 20 3400 BB Filter Details Manufacturer Aries Filter Works Model Number AF 20 3400 BB Dimensions 20" x 4. 5" (Big Blue)